Polarization Maintaining O-Band WDM 4CH 1310nm PM DWDM Module For Optical Transmission Systems

This 4-channel (4CH) 1310nm PM DWDM Module is a Polarization-Maintaining Dense Wavelength Division Multiplexing/Demultiplexing module operating within the 1310nm band. It is specifically designed for multi-service transmission within the 1.3μm low-dispersion window. The product offers four fixed channels with a channel spacing of 200GHz and a passband of λc±0.2nm, making it suitable for long-wave optical modules and optical communication systems operating at data rates of 1G and above. The module utilizes PM 1310 polarization-maintaining fiber for its pigtails—featuring a standard length of 1.0±0.1m—and is configured with a 0.9mm blue Hytrel jacket and FC/APC connectors. Its compact metal housing measures 100*80*10mm, facilitating easy integration into 1U/2U chassis or board-level sub-modules. Technical specifications indicate that the product is designed to balance low insertion loss, high extinction ratio, and high channel isolation; furthermore, it complies with both Telcordia and RoHS requirements, making it ideal for long-term deployment in high-reliability optical networks.

• Supports 4-channel, 200GHz-spaced 1310nm Polarization-Maintaining DWDM Multiplexing/Demultiplexing
• Four fixed channels with a passband of λc±0.2nm
• Utilizes PM 1310 polarization-maintaining fiber pigtails
• Standard configuration includes a 0.9mm blue Hytrel jacket and FC/APC connectors
• Low insertion loss at the MUX port (as low as 1.0dB for CH1)
• Adjacent Channel Isolation > 25dB; Non-adjacent Channel Isolation > 35dB
• Extinction Ratio ≥ 18dB; Return Loss ≥ 45dB; Directionality ≥ 50dB
• Compact metal housing with dimensions of 100*80*10mm
• Compliant with Telcordia and RoHS standards

• Broadband Access Networks
• PON / FTTx Systems
• CATV Optical Transmission Systems
• 1310nm DWDM Networking Platforms
• Metro Networks and Campus Dedicated Lines
• Industrial Control Optical Links
• Optical Communication Experiment and Test Platforms